[R-sig-Geo] incorporating covariates

[Paulo Justiniano Ribeiro Jr]

Mary

You have to use the argument "trend" to specify the covariates in your
model typically as formula (although matrices/data-frames can also be
used)

For example:

likfit.glms(..., trend = ~ covar1 + covar2, ...)

Paulo Justiniano Ribeiro Jr
LEG (Laboratorio de Estatistica e Geoinformacao)
Universidade Federal do Parana
Caixa Postal 19.081
CEP 81.531-990
Curitiba, PR  -  Brasil
Tel: (+55) 41 3361 3573
Fax: (+55) 41 3361 3141
e-mail: paulojus AT  ufpr  br
http://www.leg.ufpr.br/~paulojus

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53a Reuniao Anual da Regiao Brasileira da Soc. Internacional de Biometria
14 a 16/05/2008, UFLA, Lavras,MG
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On Tue, 19 Feb 2008, Sullivan, Mary M wrote:

> I will be using geoRglm for binary outcome data.  In addition to locations, there are 8 covariates.  I am having difficulty in finding support for incorporating the covariates into the analysis.  Can someone offer guidance?
>
> Thanks.
>
>
> Mary M. Sullivan, Ed. D.
> Professor of Mathematics and Educational Studies
> Rhode Island College
> 600 Mt. Pleasant Ave. Providence, RI 02908
> 401-456-9851
> mmsullivan at ric.edu
>
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